CaratHunter
Plans
Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6555742497

Certificate GIA 6555742497

Diamond specifications and retailer prices

From $2,928 SGD
As of November 6, 2026
Save $4,833 SGD (62%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $7,761 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555742497. Listed at 26 retailers as of November 5, 2026, with prices from $2,928 to $7,761, a $4,833 spread on the same certified stone. NZ Jewellers lists it at $7,761. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555742497
Dimensions6.44 × 6.46 × 3.91 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.44 mm6.46 mm1.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555742497
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,454 SGD|Low: $2,944 SGD|High: $6,282 SGD|Avg: $3,974 SGD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$2,944 SGD
Retailer 1$3,454 SGD
Retailer 6$3,492 SGD
Retailer 7$3,648 SGD
Retailer 8$3,651 SGD
Retailer 2$3,906 SGD
Retailer 3$4,050 SGD
Retailer 4$6,191 SGD

42 data points across 8 retailers

26 retailers$2,928 SGD to $7,761 SGD

A
Cheapest Retailer
-
$2,928 SGD
A
Retailer 2
-
$2,944 SGD
View
Final sale: no returns
A
Retailer 3
-
$2,951 SGD
View
A
Retailer 4
-
$3,012 SGD
View
B+
Retailer 5
-
$3,120 SGD
View
B+
Retailer 6
-
$3,173 SGD
View
B+
Retailer 7
-
$3,363 SGD
View
Retailer 8
-
$3,363 SGD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$3,412 SGD
View
B+
Retailer 10
-
$3,454 SGD
View
B+
Retailer 11
-
$3,492 SGD
View
B+
Retailer 12
-
$3,648 SGD
View
B+
Retailer 13
-
$3,648 SGD
View
B+
Retailer 14
-
$3,651 SGD
View
B+
Retailer 15
-
$3,676 SGD
View
B+
Retailer 16
-
$3,845 SGD
View
B+
Retailer 17
-
$3,845 SGD
View
B+
Retailer 18
-
$3,879 SGD
View
B+
Retailer 19
-
$3,880 SGD
View
B+
Retailer 20
-
$3,906 SGD
View
B
Retailer 21
-
$3,972 SGD
View
B+
Retailer 22
-
$4,050 SGD
View
B
Retailer 23
-
$4,499 SGD
View
B
Retailer 24
-
$5,349 SGD
View
B
Retailer 25
-
$6,191 SGD
View
Most Expensive
B
NZ Jewellers
3e6af43f-47f0-4dd2-a37d-27fc8b5b5cca · Nov 5
$7,761 SGD
$6,076 USD
View
25 more retailers have this diamond
Prices start from $2,928 SGDSave up to $4,833 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.00ct Round
$2,928 SGD